The first season of the fantasy series set in the quirky and seemingly perfect small town of Eureka, where the hidden work of America's brightest scientists can lead to innovation or utter chaos.
Episodes
Episode 1
Pilot
July 18, 20061h 25m8.1
An accident leads a U.S. Marshal and a teenage girl to a peculiar town populated by scientists and their families where 10-year-old boys are in 11th grade, the local diner doesn't believe in menus, and E=MC² was just the beginning. Just as the Marshal starts to get settled into the swing of things, a local scientist develops a bomb that seems to appear anywhere and eats all the matter around it.
Episode 2
Many Happy Returns
July 25, 200643m7.9
The citizens of Eureka attend the funeral of Susan Perkins, only to find out that she is in fact alive. Meanwhile the Sheriff moves into an underground bunker that is actually a 'smart house' controlled by a computer dubbed 'S.A.R.A.H., and begins to investigate a 'ghost' that has been appearing in town.
Episode 3
Before I Forget
August 1, 200644m8.2
Something starts to steal the townspeople's memory...
Episode 4
Alienated
August 8, 200642m7.9
After hosting a movie party, Spencer is found the next day in the middle of a crop circle, claiming he was abducted by aliens; and then other people who attended the party start to go missing as well. Elsewhere, the legislator responsible for Eureka's funding visits the town, and gets dragged into a Sector 5 experiment...
Episode 5
Invincible
August 15, 200644m8.2
An unpredictable researcher accidentally unleashes a dangerous artifact which was previously hidden by Nathan Stark.
Episode 6
Dr. Nobel
August 22, 200643m7.8
A sleeping weapons system is accidentally awakened by Fargo and Spencer. Henry tries to avert the pending catastrophe with the help of a retired, nonsensical scientist.
Episode 7
Blink
August 29, 200642m7.8
Carter investigates an unusual car accident. Meanwhile, Stark, under the stress of completing a project on time, pressures two research teams to produce results.
Episode 8
Right as Raynes
September 5, 200644m7.6
A former resident returns to Eureka and creates mayhem which threatens Global Dynamics, prompting Stark to take action.
Episode 9
Primal
September 12, 200641m7.8
Taggart achieves a medical breakthrough while Fargo invents a device that bridges the divide between computers and human brains.
Episode 10
Purple Haze
September 19, 200644m8.1
Strange behavior exhibited by the townspeople is investigated by Carter, who has to solve the mystery before Stark makes a decision that could affect the world.
Episode 11
H.O.U.S.E. Rules
September 26, 200644m8.7
A bad day in the lab forces Carter to rethink his decision to live in Eureka, prompting an intervention from S.A.R.A.H. (the self Activated Residential Automated Habitat.
Episode 12
Once in a Lifetime
October 3, 200644m8.7
Ambition trumps common sense when Stark is given a chance to try out the Top-secret artifact. Once it's tested, Eureka warps into the future and ends up in 2010, where the town is different.